diff --git a/Makefile b/Makefile
index c84560fa8d..85de564e4b 100644
--- a/Makefile
+++ b/Makefile
@@ -60,10 +60,11 @@ ifeq "$(DETECTED_OS)" "Windows"
 endif
 	yarn run electron-builder --publish onTag $(ELECTRON_BUILDER_EXTRA_ARGS)
 
+.NOTPARALLEL: $(extension_node_modules)
 $(extension_node_modules): node_modules
 	cd $(@:/node_modules=) && ../../node_modules/.bin/npm install --no-audit --no-fund --no-save
 
-$(extension_dists): src/extensions/npm/extensions/dist
+$(extension_dists): src/extensions/npm/extensions/dist $(extension_node_modules)
 	cd $(@:/dist=) && ../../node_modules/.bin/npm run build
 
 .PHONY: clean-old-extensions
@@ -71,7 +72,7 @@ clean-old-extensions:
 	find ./extensions -mindepth 1 -maxdepth 1 -type d '!' -exec test -e '{}/package.json' \; -exec rm -rf {} \;
 
 .PHONY: build-extensions
-build-extensions: node_modules clean-old-extensions $(extension_node_modules) $(extension_dists)
+build-extensions: node_modules clean-old-extensions $(extension_dists)
 
 .PHONY: test-extensions
 test-extensions: $(extension_node_modules)